/* Estilos para la Calculadora de Materiales - Materiales Chilavert */

.calc-container {
    padding: var(--space-xl) 1rem 4rem;
    max-width: 960px;
    margin: 0 auto;
}

.calc-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.calc-header h1 {
    font-size: 2.3rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.calc-header p {
    color: var(--color-text-light);
    font-size: 1.1rem;
    max-width: 650px;
    margin: 0 auto;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 850px) {
    .calc-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.calc-card {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.calc-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-accent);
    display: flex;
    align-items: center;
    gap: 8px;
}

.calc-form-group {
    margin-bottom: 1.2rem;
}

.calc-form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.35rem;
}

.calc-form-group select,
.calc-form-group input {
    width: 100%;
    padding: 0.75rem 0.9rem;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--color-text-main);
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.calc-form-group select:focus,
.calc-form-group input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.calc-dim-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Tabla de Resultados Limpia */
.calc-results-card {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border-top: 4px solid var(--color-accent);
}

.calc-table-wrapper {
    overflow-x: auto;
    margin: 1rem 0 1.5rem;
}

.calc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    text-align: left;
}

.calc-table th {
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 0.75rem 1rem;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.calc-table th:first-child {
    border-top-left-radius: var(--radius-sm);
}

.calc-table th:last-child {
    border-top-right-radius: var(--radius-sm);
    text-align: right;
}

.calc-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-main);
}

.calc-table td:last-child {
    text-align: right;
    font-weight: 700;
    color: var(--color-primary);
}

.calc-table tr:last-child td {
    border-bottom: none;
}

.calc-table tr:hover td {
    background-color: #f8fafc;
}

.calc-mat-name {
    font-weight: 600;
    color: var(--color-primary);
}

.calc-mat-spec {
    font-size: 0.8rem;
    color: var(--color-text-light);
    display: block;
    margin-top: 2px;
}

.calc-summary-badge {
    display: inline-block;
    background: #f1f5f9;
    padding: 0.4rem 0.85rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.btn-calc-whatsapp {
    width: 100%;
    background-color: var(--color-whatsapp);
    color: white;
    padding: 0.95rem;
    border-radius: var(--radius-md);
    font-size: 1.05rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
    transition: all 0.25s ease;
    text-decoration: none;
}

.btn-calc-whatsapp:hover {
    background-color: var(--color-whatsapp-hover);
    transform: translateY(-2px);
    color: white;
}